ml
131 lines
2.7 KiB
Go
131 lines
2.7 KiB
Go
package bitmap_test
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import (
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"bytes"
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"fmt"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"github.com/inkyblackness/hacked/ss1/content/bitmap"
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"github.com/inkyblackness/hacked/ss1/resource"
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)
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func TestReadAnimationErrorsLength(t *testing.T) {
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for i := 0; i < 20; i++ {
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data := make([]byte, i)
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_, err := bitmap.ReadAnimation(bytes.NewReader(data))
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assert.Error(t, err, fmt.Sprintf("Error expected for %d bytes", i))
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}
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}
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func TestReadAnimationErrorsTags(t *testing.T) {
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tt := []struct {
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info string
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data []byte
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}{
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{
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info: "end tag data missing",
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data: []byte{
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0x00, 0x00,
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0x02, 0x02,
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0x04, 0x04,
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0x06, 0x06, 0x06, 0x06, 0x06, 0x06,
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0x0C, 0x0C,
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0x0C,
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},
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},
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{
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info: "end tag data wrong",
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data: []byte{
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0x00, 0x00,
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0x02, 0x02,
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0x04, 0x04,
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0x06, 0x06, 0x06, 0x06, 0x06, 0x06,
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0x0C, 0x0C,
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0x0C, 0x00,
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},
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},
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{
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info: "unknown tag",
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data: []byte{
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0x00, 0x00,
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0x02, 0x02,
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0x04, 0x04,
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0x06, 0x06, 0x06, 0x06, 0x06, 0x06,
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0x0C, 0x0C,
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0x0B,
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},
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},
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}
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for _, tc := range tt {
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_, err := bitmap.ReadAnimation(bytes.NewReader(tc.data))
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assert.Error(t, err, fmt.Sprintf("Error expected for %s", tc.info))
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}
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}
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func TestReadWriteAnimationEntries(t *testing.T) {
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tt := []struct {
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info string
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data []byte
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expected bitmap.Animation
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}{
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{
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info: "empty list of entries",
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data: []byte{
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0x12, 0x34,
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0x56, 0x78,
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0xAA, 0xBB,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0xCC, 0xDD,
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0x0C, 0x01,
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},
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expected: bitmap.Animation{
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Width: 0x3412,
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Height: 0x7856,
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ResourceID: resource.ID(0xBBAA),
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IntroFlag: 0xDDCC,
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Entries: nil,
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},
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},
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{
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info: "two entries",
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data: []byte{
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0x12, 0x34,
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0x56, 0x78,
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0xAA, 0xBB,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0xCC, 0xDD,
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0x04, 0x00, 0x0A, 0x10, 0x20,
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0x04, 0x0B, 0x10, 0x30, 0x40,
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0x0C, 0x01,
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},
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expected: bitmap.Animation{
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Width: 0x3412,
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Height: 0x7856,
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ResourceID: resource.ID(0xBBAA),
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IntroFlag: 0xDDCC,
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Entries: []bitmap.AnimationEntry{
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{FirstFrame: 0x00, LastFrame: 0x0A, FrameTime: 0x2010},
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{FirstFrame: 0x0B, LastFrame: 0x10, FrameTime: 0x4030},
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},
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},
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},
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}
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for _, tc := range tt {
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td := tc
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t.Run(tc.info, func(t *testing.T) {
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anim, err := bitmap.ReadAnimation(bytes.NewReader(td.data))
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require.Nil(t, err, "No error expected")
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assert.Equal(t, td.expected, anim, "Animation data not as expected after reading")
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output := bytes.NewBuffer(nil)
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err = bitmap.WriteAnimation(output, anim)
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require.Nil(t, err, "No error expected")
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assert.Equal(t, td.data, output.Bytes(), "Data mismatch after re-encoding")
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})
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}
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}
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